Low water once established; water deeply and allow soil to dry between irrigations. Young plants need more regular watering. Avoid frequent watering during summer dormancy.
Size
1-2 ft tall × 1-2 ft wide
Habit
Clumping grass
Toxicity
Non-toxic
Description
Fine-textured perennial bunchgrass with threadlike leaves and airy seed heads. Assumes Mexican feather grass, commonly sold as Stipa tenuissima, now Nassella tenuissima; other needle grasses differ.
Autumn sage, Blackfoot daisy, Desert marigold, Red yucca, Smaller agaves
Non-toxic
Non-toxic
Care Instructions
Light: Full sun to light shade; afternoon shade is beneficial in Phoenix’s intense summer heat.
Water: Low water once established; water deeply and allow soil to dry between irrigations. Young plants need more regular watering. Avoid frequent watering during summer dormancy.
Soil: Well-drained sandy, gravelly, or loamy soil; tolerates alkaline soil. Avoid soggy conditions and heavy fertilization.
Mature size: About 1–2 feet tall and wide, reaching approximately 3 feet tall with flower stems.
Bloom: Airy flower clusters appear in spring to early summer; straw-colored seed heads persist afterward.
Evergreen / deciduous: Evergreen to semi-evergreen; may turn straw-colored or become dormant during extreme summer heat or drought.
Growth rate: Moderate to fast during cooler growing periods.